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Boris Burkov 773d38f42b btrfs: qgroup: correctly model root qgroup rsv in convert 
commit 141fb8cd20 upstream.

We use add_root_meta_rsv and sub_root_meta_rsv to track prealloc and
pertrans reservations for subvolumes when quotas are enabled. The
convert function does not properly increment pertrans after decrementing
prealloc, so the count is not accurate.

Note: we check that the fs is not read-only to mirror the logic in
qgroup_convert_meta, which checks that before adding to the pertrans rsv.

Fixes: 8287475a20 ("btrfs: qgroup: Use root::qgroup_meta_rsv_* to record qgroup meta reserved space")
CC: stable@vger.kernel.org # 6.1+
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Boris Burkov <boris@bur.io>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2024-04-17 11:15:16 +02:00
..
tests btrfs: remove pointless and double ulist frees in error paths of qgroup tests 2022-11-26 09:24:32 +01:00
Kconfig
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Makefile
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acl.c
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async-thread.c btrfs: fix memory ordering between normal and ordered work functions 2021-11-25 09:48:46 +01:00
async-thread.h
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backref.c btrfs: fix resolving backrefs for inline extent followed by prealloc 2023-01-12 11:58:50 +01:00
backref.h btrfs: sink iterator parameter to btrfs_ioctl_logical_to_ino 2022-12-08 11:28:38 +01:00
block-group.c btrfs: move out now unused BG from the reclaim list 2023-08-26 14:23:30 +02:00
block-group.h btrfs: fix space cache corruption and potential double allocations 2022-09-05 10:30:12 +02:00
block-rsv.c btrfs: don't free qgroup space unless specified 2023-05-17 11:50:21 +02:00
block-rsv.h
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btrfs_inode.h btrfs: put initial index value of a directory in a constant 2022-08-31 17:16:35 +02:00
check-integrity.c btrfs: rename btrfs_bio to btrfs_io_context 2022-07-21 21:24:32 +02:00
check-integrity.h
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compression.c btrfs: remove unused parameter nr_pages in add_ra_bio_pages() 2022-04-20 09:34:04 +02:00
compression.h
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ctree.c btrfs: error out when reallocating block for defrag using a stale transaction 2023-10-25 11:59:01 +02:00
ctree.h btrfs: add definition for EXTENT_TREE_V2 2024-02-23 08:54:34 +01:00
delalloc-space.c btrfs: don't arbitrarily slow down delalloc if we're committing 2023-11-28 16:56:29 +00:00
delalloc-space.h
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delayed-inode.c btrfs: fix infinite directory reads 2024-02-23 08:54:30 +01:00
delayed-inode.h btrfs: fix infinite directory reads 2024-02-23 08:54:30 +01:00
delayed-ref.c
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delayed-ref.h btrfs: add additional parameters to btrfs_init_tree_ref/btrfs_init_data_ref 2022-07-12 16:34:50 +02:00
dev-replace.c btrfs: dev-replace: properly validate device names 2024-03-06 14:38:48 +00:00
dev-replace.h
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dir-item.c
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discard.c btrfs: hold block group refcount during async discard 2023-03-10 09:39:56 +01:00
discard.h
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disk-io.c btrfs: add xxhash to fast checksum implementations 2024-03-01 13:21:55 +01:00
disk-io.h btrfs: make thaw time super block check to also verify checksum 2023-01-12 11:59:20 +01:00
export.c btrfs: export: handle invalid inode or root reference in btrfs_get_parent() 2024-04-13 13:01:44 +02:00
export.h btrfs: fix type of parameter generation in btrfs_get_dentry 2022-11-10 18:15:38 +01:00
extent-io-tree.h
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extent-tree.c btrfs: don't warn if discard range is not aligned to sector 2024-02-23 08:54:31 +01:00
extent_io.c btrfs: reset destination buffer when read_extent_buffer() gets invalid range 2023-10-06 13:18:11 +02:00
extent_io.h btrfs: fix qgroup reserve overflow the qgroup limit 2022-04-13 20:59:23 +02:00
extent_map.c btrfs: rename btrfs_bio to btrfs_io_context 2022-07-21 21:24:32 +02:00
extent_map.h
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file-item.c btrfs: handle memory allocation failure in btrfs_csum_one_bio 2023-06-21 15:59:13 +02:00
file.c btrfs: do not BUG_ON() on ENOMEM when dropping extent items for a range 2022-12-31 13:14:47 +01:00
free-space-cache.c btrfs: fix space cache inconsistency after error loading it from disk 2023-05-17 11:50:22 +02:00
free-space-cache.h
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free-space-tree.c btrfs: fix invalid delayed ref after subvolume creation failure 2022-07-12 16:34:50 +02:00
free-space-tree.h
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inode-item.c
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inode.c btrfs: avoid copying BTRFS_ROOT_SUBVOL_DEAD flag to snapshot of subvolume being deleted 2024-02-23 08:54:30 +01:00
ioctl.c btrfs: forbid creating subvol qgroups 2024-02-23 08:55:01 +01:00
locking.c btrfs: fix lockdep splat with reloc root extent buffers 2022-09-05 10:30:12 +02:00
locking.h btrfs: fix lockdep splat with reloc root extent buffers 2022-09-05 10:30:12 +02:00
lzo.c btrfs: prevent copying too big compressed lzo segment 2022-03-02 11:48:07 +01:00
misc.h
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ordered-data.c
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ordered-data.h
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orphan.c
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print-tree.c btrfs: print-tree: parent bytenr must be aligned to sector size 2023-05-17 11:50:22 +02:00
print-tree.h
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props.c
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props.h
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qgroup.c btrfs: qgroup: correctly model root qgroup rsv in convert 2024-04-17 11:15:16 +02:00
qgroup.h
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raid56.c btrfs: raid56: properly handle the error when unable to find the missing stripe 2022-11-26 09:24:31 +01:00
raid56.h btrfs: rename btrfs_bio to btrfs_io_context 2022-07-21 21:24:32 +02:00
rcu-string.h btrfs: replace strncpy() with strscpy() 2023-01-12 11:59:05 +01:00
reada.c btrfs: rename btrfs_bio to btrfs_io_context 2022-07-21 21:24:32 +02:00
ref-verify.c btrfs: ref-verify: free ref cache before clearing mount opt 2024-02-23 08:54:30 +01:00
ref-verify.h
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reflink.c btrfs: fix unexpected error path when reflinking an inline extent 2022-04-08 14:23:11 +02:00
reflink.h
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relocation.c btrfs: exit gracefully if reloc roots don't match 2023-08-16 18:22:02 +02:00
root-tree.c btrfs: fix silent failure when deleting root reference 2022-08-31 17:16:46 +02:00
scrub.c btrfs: zoned: use zone aware sb location for scrub 2024-04-10 16:19:31 +02:00
send.c btrfs: send: handle path ref underflow in header iterate_inode_ref() 2024-04-13 13:01:44 +02:00
send.h
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space-info.c btrfs: extend locking to all space_info members accesses 2022-04-08 14:23:02 +02:00
space-info.h
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struct-funcs.c
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subpage.c
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subpage.h
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super.c Revert "btrfs: add dmesg output for first mount and last unmount of a filesystem" 2023-12-13 18:36:50 +01:00
sysfs.c btrfs: add definition for EXTENT_TREE_V2 2024-02-23 08:54:34 +01:00
sysfs.h
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transaction.c btrfs: don't start transaction when joining with TRANS_JOIN_NOSTART 2023-09-19 12:23:01 +02:00
transaction.h btrfs: do not start relocation until in progress drops are done 2022-03-08 19:12:54 +01:00
tree-checker.c btrfs: tree-checker: fix inline ref size in error messages 2024-02-23 08:54:31 +01:00
tree-checker.h
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tree-defrag.c btrfs: fix an error handling path in btrfs_defrag_leaves() 2023-01-12 11:59:08 +01:00
tree-log.c btrfs: initialize start_slot in btrfs_log_prealloc_extents 2023-10-25 11:58:59 +02:00
tree-log.h btrfs: pass the dentry to btrfs_log_new_name() instead of the inode 2022-08-31 17:16:36 +02:00
tree-mod-log.c
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tree-mod-log.h
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ulist.c
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ulist.h
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uuid-tree.c
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verity.c
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volumes.c btrfs: handle chunk tree lookup error in btrfs_relocate_sys_chunks() 2024-04-13 13:01:44 +02:00
volumes.h btrfs: add a helper to read the superblock metadata_uuid 2023-09-23 11:10:00 +02:00
xattr.c btrfs: check if root is readonly while setting security xattr 2022-08-31 17:16:46 +02:00
xattr.h
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zlib.c btrfs: zlib: zero-initialize zlib workspace 2023-02-14 19:17:56 +01:00
zoned.c btrfs: zero the buffer before marking it dirty in btrfs_redirty_list_add 2023-05-17 11:50:22 +02:00
zoned.h btrfs: zoned: revive max_zone_append_bytes 2022-08-31 17:16:34 +02:00
zstd.c Revert "btrfs: compression: drop kmap/kunmap from zstd" 2021-10-29 13:02:50 +02:00